Rock Drilling Bits

Solid Carbide Thread Button Rock Drilling Bits With Flat Face / Drop Centre Face Shape

1. Features Thread button bits specifications: 1) Bit body : normal type and retrace type 2) Bit diameter: 32mm-150mm 3) Bit face shape: flat face and drop centre 4) Tungsten carbide (Buttons): spherical, ballistic and conical. 5) DTH bit, in contains high air pressure and low air pressure dth button bit. (a) high air pressure: Cop, Br, HD, XL, QL, Mission series. (b) low air pressure: CIR and J series 2. Applications The taper cross bits can be used under any rock drilling